Green’s Dictionary of Slang

Woolies n.

[abbr.]

a nickname for F.W. Woolworth’s (1852–1919) department stores; also attrib., suggesting cheapness.

[UK]H.C. Brewster King’s Cross Calling in DSUE (1984).
[UK]A. Sinclair My Friend Judas (1963) 112: Odeons. Woolies. Marks and Sparkses. ABC cafés.
[UK]C. Wood ‘Prisoner and Escort’ in Cockade (1965) I iii: Rough old thing – where d’you whip it – Woolies?
[UK]A. Bleasdale Scully 20: Does this bus go t’Woolies in Town?
[UK]F. Taylor Auf Wiedersehen Pet Two 293: I had to borrow twenty-five quid off me best mate half an hour before the kick-off to buy a ring at Woolie’s.
[Aus]J. Byrell Lairs, Urgers & Coat-Tuggers 197: [A] yearling pacer had just been offered to him for a Woolies price.
[UK]A. Warner Sopranos 54: Kylah had [...] all of the Cocteau’s CDs, (ordered from the counter at Woolies).
[UK](con. 1990s) N. ‘Razor’ Smith A Few Kind Words and a Loaded Gun 445: Probably some kid nicking the pick ’n’ mix in Woolies.
[UK]Metro (London) 20 Nov. 23: Woolies up for sale for just £1 [...] In September, Woolies announced [...] losses of £91 million.
[SA]Mail and Guardian (Johannesburg) 30 Apr. 🌐 The response from Woolies was ‘Click on this link, it’s in the food dictionary.’ Fine, but would Woolworths be able to read that list [...] out loud?
[SA]Mail & Guardian (Johannesburg) 25 Sept. 🌐 Relationship with Pharrel apolitical, says Woolies.
[Aus]N. Cummins Tales of the Honey Badger [ebook] This person arrived at my window asking where Woolies was.

In compounds

Woolies bladder (n.) (also Woolworth’s bladder) [the image is of cheapness and thus a broken or malfunctioning bladder]

(N.Z.) a weak bladder.

[NZ]McGill Reed Dict. of N.Z. Sl. 233: Woollies bladder/Woolworth’s bladder A weak bladder, as if it was a bargain purchase.